Question 8
Vidya and Pratap went for a picnic. Their mother gave them a water bottle that contained 5 litres of water. Vidya consumed 2/3 of the water. Pratap consumed the remaining water.
i. How much water did Vidya drink?
ii. What fraction of the total quantity of water did Pratap drink?Solution
i. Water consumed by Vidya = 2/5 of 5 litres = 2/5 × 5 = 2 litres
ii. Water consumed by Pratap = 1 – 2/5 = (5 – 2) ÷ 5 = 3/5 of the total water
Therefore, the fraction of total quantity of water = 3/5

Question 7
A car runs 16 km using 1 litre of petrol. How much distance will it cover using litres of petrol?Solution:
Car can run one-liter petrol = 16 Km
Number of Km a car can run for litres petrol = X 16 = 11/4 × 16 = 11 × 4 = 44 km

Question 8
a.
i. Provide the number in the box, such that 2/3 × _____ = 10/30.
ii. The simplest form of the number obtained in box above is ______
b.
i. Provide the number in the box , such that 3/5 × ______ = 24/75
ii. The simplest form of the number obtained in box is ______Solution
a. i. 2/3 × 5/10 = 10/30.
ii. The simplest form of the number obtained in 5/10 is 1/2
b. i. 3/5 × 8/15 = 24/75
ii. The simplest form of the number obtained in 8/15 is 8/15.